CN215396772U - Novel double-screw casting extrusion mechanism - Google Patents
Novel double-screw casting extrusion mechanism Download PDFInfo
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- CN215396772U CN215396772U CN202121916542.5U CN202121916542U CN215396772U CN 215396772 U CN215396772 U CN 215396772U CN 202121916542 U CN202121916542 U CN 202121916542U CN 215396772 U CN215396772 U CN 215396772U
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Abstract
The utility model relates to a casting mechanism, in particular to a novel double-screw casting extrusion mechanism, which comprises a melting charging barrel and an extruder head, wherein an extrusion screw mechanism is arranged in the melting charging barrel, the extrusion screw mechanism comprises a first screw and a second screw, the first screw comprises a first screw main body and a first gear connected with the first screw main body, the second screw comprises a second screw main body and a second gear connected with the second screw main body, and the first gear and the second gear are meshed and matched; the upper surface of the melting charging barrel is provided with a feeding mechanism, and the feeding mechanism comprises a feeding barrel connected with the melting charging barrel and a grinding mechanism arranged in the feeding barrel; the utility model can further grind the entering plastic master batch, so that the granularity of the plastic master batch is reduced, the quality of the produced casting film is ensured, the plastic master batch in the melting stage is ensured to be fully overturned and extruded in the extrusion process, the quality of the casting film obtained by the extruder head is improved, and the tensile strength of the casting film is ensured.
Description
Technical Field
The utility model relates to a casting mechanism, in particular to a novel double-screw casting extrusion mechanism.
Background
The casting machine is the important apparatus for producing casting film, the production of casting film includes processes such as feeding, melting, extrusion and tensile, wherein feeding and extrusion process influence the quality of produced casting film, in the conventional casting film production process, when the plastics masterbatch is added in the feeding process, the graininess often appears in the melting stage because plastics masterbatch granule is too big, reduce the production quality of casting film, and the conventional use is in the extrusion process simultaneously, often appear extrudeing the upset inadequately, influence the production quality of casting film.
Therefore, at present, a novel casting extrusion mechanism is urgently needed, which can further grind the entering plastic master batch, so that the granularity of the plastic master batch is reduced, the quality of the casting film obtained by production is ensured, the plastic master batch in the melting stage is ensured to be fully extruded in the overturning process in the extrusion process, the quality of the casting film obtained by the extruder head is improved, and the tensile strength of the casting film is ensured.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a novel double-screw casting extrusion mechanism which can further grind entering plastic master batch, so that the granularity of the plastic master batch is reduced, the quality of a casting film obtained by production is ensured, the plastic master batch in a melting stage is ensured to be fully overturned and extruded in the extrusion process, the quality of the casting film obtained by an extruder head is improved, and the tensile strength of the casting film is ensured.
The utility model adopts the following technical scheme:
a novel double-screw tape-casting extrusion mechanism comprises a melting material cylinder and an extruder head, wherein an extrusion screw mechanism is arranged in the melting material cylinder, the extrusion screw mechanism comprises a first screw and a second screw, the first screw comprises a first screw main body and a first gear connected with the first screw main body, the second screw comprises a second screw main body and a second gear connected with the second screw main body, and the first gear and the second gear are meshed and matched; the upper surface of the melting charging barrel is provided with a feeding mechanism, the feeding mechanism comprises a feeding barrel connected with the melting charging barrel and a grinding mechanism arranged in the feeding barrel, and the grinding mechanism is arranged in two opposite clinging rotating grinding rollers in the feeding barrel.
Further, the feeding cylinder comprises a funnel-shaped guide cylinder fixedly connected with the melting charging cylinder and a surrounding baffle which is connected with the guide cylinder and has a quadrilateral structure, and the grinding mechanism is arranged in the surrounding baffle; the distance of the inner diameter of the feeding opening of the feeding cylinder in the width direction is equal to 2 times of the diameter of the grinding roller.
Furthermore, the first gear is fixedly connected with the first screw rod main body through a bolt, and the second gear is fixedly connected with the second screw rod main body through a bolt; the first gear and the second gear adopt straight gears or helical gears which are meshed with each other.
Preferably, the first gear and the second gear are driven by a servo motor.
From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages: 1. according to the utility model, the two grinding rollers which move in a clinging manner in opposite directions are arranged in the feeding cylinder, the material entering the feeding cylinder is further ground and then enters the melting cylinder, so that the material can be rapidly heated to reach a melting state, the condition that large particles of the material cannot be melted in time is reduced, and the production quality of the cast film is improved; 2. according to the utility model, the two screws which move mutually are arranged in the melting charging barrel, so that not only is material extrusion further ensured, but also the material is more fully turned over in the melting charging barrel, the material is further fully heated and heated, the extrusion of the extruder head on the material is facilitated to form the casting film, and the quality of the casting film is improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention 1;
FIG. 2 is a perspective view of FIG. 2;
FIG. 3 is a schematic sectional perspective view of FIG. 1;
fig. 4 is a schematic sectional perspective view of fig. 2.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
Referring to fig. 1 to 4, a novel twin-screw casting extrusion mechanism comprises a melting cylinder 1 and an extruder head 11, wherein an extrusion screw mechanism 2 is arranged in the melting cylinder 1, the extrusion screw mechanism 2 comprises a first screw 21 and a second screw 22, the first screw 21 comprises a first screw body 211 and a first gear 212 connected with the first screw body 211, the second screw 22 comprises a second screw body 221 and a second gear 222 connected with the second screw body 22, and the first gear 212 and the second gear 222 are meshed and matched; the feeding mechanism 3 is arranged on the upper surface of the melting charging barrel 1, the feeding mechanism 3 comprises a charging barrel 31 connected with the melting charging barrel 1 and a grinding mechanism 32 arranged in the charging barrel 31, and the grinding mechanism 32 is arranged on two opposite grinding rollers 321 which are tightly attached and rotate in the charging barrel 31.
Referring to fig. 1 to 4, the feeding cylinder 31 includes a funnel-shaped guide cylinder 311 fixedly connected to the melting cylinder 1 and a surrounding barrier 312 of a quadrangular structure connected to the guide cylinder 311, and the grinding mechanism 32 is disposed in the surrounding barrier 312; the distance of the inner diameter of the feeding opening of the feeding barrel 31 in the width direction is equal to 2 times of the diameter of the grinding roller 321, the first gear 212 is fixedly connected with the main body of the first screw 21 through a bolt, and the second gear 222 is fixedly connected with the main body of the second screw 22 through a bolt; the first gear 212 and the second gear 222 are straight gears or helical gears which are meshed with each other, and the first gear 212 and the second gear 222 are driven by a servo motor.
The working principle is as follows: the feeding mechanism provided with the grinding mechanism is arranged, so that the entering materials can be further ground, the granularity of the materials is reduced, the materials entering the melting material barrel can be sufficiently heated, the materials are uniformly overturned and heated while the materials are ensured to advance, and the product quality of the cast film extruded by the extruder head is further improved.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.
Claims (8)
1. The utility model provides a novel twin-screw curtain coating extrusion mechanism, includes melting feed cylinder and extruder aircraft nose, characterized by: an extrusion screw mechanism is arranged in the melting charging barrel and comprises a first screw and a second screw, the first screw comprises a first screw main body and a first gear connected with the first screw main body, the second screw comprises a second screw main body and a second gear connected with the second screw main body, and the first gear is meshed with the second gear; the upper surface of the melting charging barrel is provided with a feeding mechanism, the feeding mechanism comprises a feeding barrel connected with the melting charging barrel and a grinding mechanism arranged in the feeding barrel, and the grinding mechanism comprises two opposite clinging and rotating grinding rollers.
2. A novel twin screw cast extrusion mechanism as claimed in claim 1 wherein: the distance of the inner diameter of the feed opening of the feed cylinder in the width direction is equal to 2 times of the diameter of the grinding roller.
3. A novel twin screw cast extrusion mechanism as claimed in claim 1 or claim 2 wherein: the first gear and the second gear are spur gears.
4. A novel twin screw cast extrusion mechanism as claimed in claim 1 or claim 2 wherein: the first gear and the second gear are helical gears.
5. A novel twin screw cast extrusion mechanism as claimed in claim 3 wherein: the first gear and the second gear are driven by a servo motor.
6. A novel twin screw cast extrusion mechanism as claimed in claim 4 wherein: the first gear and the second gear are driven by a servo motor.
7. A novel twin screw cast extrusion mechanism as claimed in claim 5 or 6 wherein: the first gear is fixedly connected with the first screw rod main body through a bolt, and the second gear is fixedly connected with the second screw rod main body through a bolt.
8. A novel twin screw cast extrusion mechanism as claimed in claim 7 wherein: the feeding barrel comprises a guide barrel fixedly connected with the melting barrel and an enclosure which is of a quadrangular structure and is connected with the guide barrel, and the grinding mechanism is arranged in the enclosure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121916542.5U CN215396772U (en) | 2021-08-16 | 2021-08-16 | Novel double-screw casting extrusion mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121916542.5U CN215396772U (en) | 2021-08-16 | 2021-08-16 | Novel double-screw casting extrusion mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215396772U true CN215396772U (en) | 2022-01-04 |
Family
ID=79663317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121916542.5U Active CN215396772U (en) | 2021-08-16 | 2021-08-16 | Novel double-screw casting extrusion mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215396772U (en) |
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2021
- 2021-08-16 CN CN202121916542.5U patent/CN215396772U/en active Active
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